This video reviews the Parker Mountain Machine (PMM) Ultra Comp, highlighting its effectiveness in reducing muzzle rise and recoil. The presenter, Brett from Nightwood Guns, details its performance compared to other compensators, noting its superb efficiency. However, he also discusses significant drawbacks, including a difficult installation requiring Red Loctite and precise timing, potential PVD finish wear, and a substantial point of impact shift with different ammunition types, which ultimately leads him to remove it from his personal firearm.
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